1. AAE 450 Spring 2008 Scott Breitengross Jan 24, 2008 Trajectory group, delta V Delta V determination

2. AAE 450 Spring 2008 Assumptions  All Juno 1* rocket inputs except mass  Mass = 5kg  Linear-Tangent Steering Law** (2 nd,3 rd stages only)  Kennedy Space Center Launch  Cd =.6 for entire launch Trajectory *Juno 1 inputs provided by Daniel Chua **Created by Amanda Briden and Junichi Kanehara

3. AAE 450 Spring 2008 ΔV Calculations Trajectory Future Work  Refine optimization code, include ΔV_steering  Multi-model comparison Launch TypeΔV_LEO (320 km) ΔV_GravΔV_DragΔV_Earth help 3-Stage Vertical Launch7715 m/s203 m/s10260 m/s410 m/s ΔV_Total* = 17770 m/s * From trajectory code created by Amanda Briden, Junichi Kanehara and Scott Breitengross

4. AAE 450 Spring 2008 References  Nesrin Sarigul-Klijn, Ph.D., Christopher Noel1, B.S., and Marti Sarigul-Klijn2, Ph.D. “Air Launching Earth- to-Orbit Vehicles: Delta V gains from Launch Conditions and Vehicle Aerodynamics” AIAA Journal AIAA 2004-872. 8 January 2004. pp 3-7.  Wade, M. “Jupiter C,” 26 October 2005 [http://www.astronautix.com/lvs/jupiterc.htm] Trajectory

5. AAE 450 Spring 2008 ΔV EquationsTrajectory